Niconico Tokaigi 2017 was a Japanese Super Smash Bros. for Wii U tournament, held in Chiba, Japan from February 11th to 12th, 2017. Like the previous tournament, Niconico Tokaigi 2016, this tournament was an invitational, with players being drawn from several qualifying tournaments. Also, like the previous Tokaigi, several international players were invited to attend, being Ally, Dabuz, Mr.R, and ESAM.